 You could do that after. Yeah, I think you got to be a little more aggressive, Margaret, to get that discoloration and the buildup off. Then when it's done, you can do a couple of things. One is the wet and forget applications of that. The other is a product called Concrobium. Although I think wet and forget might actually work better in that scenario. David, what do you think? I think so too. Yeah. And then just do a regular treatment of it.